Hard chrome plating

Hard chrome plating is an electrolytic method that deposits chrome for engineering applications from a solution composed of chromic acid.

The deposits that are applied can vary from .25 – 1,000 microns thickness for a wide range of applications.
The thinner deposits that are used are done so to substantially increase the life of components in wear applications or corrosive environments, also the thicker deposits would be used for salvaging and repairing damaged or worn components.

High hardness

Electrodeposited chrome is an extremely hard substance with typical values of 850 – 1050 HV (63 – 70 HRc) which relates back to the term ‘hard’ chrome.
Thus making it an extremely durable coating for wear resistant and abrasion resistant applications.

Corrosion resistance

Hard Chrome possesses a high resistance to atmospheric oxidation, and a good resistance to most oxidising and reducing agents, (aside from chlorides and other halides) leading to its wide-spread use in the Food and Chemical Industries.

Applications

– Hydraulic and pneumatic piston rods and cylinders
– Plastic and rubber rolls, moulds, dyes, screws etc.
– Automotive and mechanical components
– Press tools and punches
– Print cylinders and plates
– Food machinery
– Valves, gates and bodies
– Mining equipment
– Timber and paper processing equipment
– Pump shafts and rotors
– Textile components

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